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SAE-AISI L2 Steel vs. S32654 Stainless Steel

Both SAE-AISI L2 steel and S32654 stainless steel are iron alloys. They have 44% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI L2 steel and the bottom bar is S32654 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
82
Tensile Strength: Ultimate (UTS), MPa 590 to 1960
850

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 44
11
Thermal Expansion, µm/m-K 12
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
34
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.9
6.4
Embodied Energy, MJ/kg 27
87
Embodied Water, L/kg 51
220

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21 to 70
29
Strength to Weight: Bending, points 20 to 45
25
Thermal Diffusivity, mm2/s 12
2.9
Thermal Shock Resistance, points 19 to 65
19

Alloy Composition

Carbon (C), % 0.45 to 1.0
0 to 0.020
Chromium (Cr), % 0.7 to 1.2
24 to 25
Copper (Cu), % 0 to 0.25
0.3 to 0.6
Iron (Fe), % 95.5 to 98.7
38.3 to 45.3
Manganese (Mn), % 0.1 to 0.9
2.0 to 4.0
Molybdenum (Mo), % 0 to 0.25
7.0 to 8.0
Nickel (Ni), % 0
21 to 23
Nitrogen (N), % 0
0.45 to 0.55
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.0050
Vanadium (V), % 0.1 to 0.3
0